Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Expense (Details)

v3.5.0.2
Share-Based Compensation - Expense (Details) - USD ($)
$ in Thousands, shares in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Share-Based Compensation        
Income tax benefit realized from award vestings     $ 500  
Selling, General and Administrative Expenses        
Share-Based Compensation        
Share-based compensation expense $ 2,038 $ 1,485 5,743 $ 3,151
Income Tax Expense        
Share-Based Compensation        
Income tax benefit realized from award vestings $ 511   $ 511  
2015 Plan        
Share-Based Compensation        
Number of shares available 2.4   2.4  
2015 Plan | Maximum        
Share-Based Compensation        
Number of shares authorized 4.0   4.0